55  * Helper to invoke int80 with controlled regs and capture the final regs.
77  * controlled regs and capture the final regs.  This is so nasty that it
132 		printf("[FAIL]\tgetpid() failed to preserve regs\n");  in test_sys32_regs()
135 		printf("[OK]\tgetpid() preserves regs\n");  in test_sys32_regs()
147 		printf("[FAIL]\tkill(getpid(), SIGUSR1) failed to preserve regs\n");  in test_sys32_regs()
150 		printf("[OK]\tkill(getpid(), SIGUSR1) preserves regs\n");  in test_sys32_regs()
181 	struct user_regs_struct regs;  in test_ptrace_syscall_restart()  local
188 	if (ptrace(PTRACE_GETREGS, chld, 0, &regs) != 0)  in test_ptrace_syscall_restart()
191 	if (regs.user_syscall_nr != SYS_gettid ||  in test_ptrace_syscall_restart()
192 	    regs.user_arg0 != 10 || regs.user_arg1 != 11 ||  in test_ptrace_syscall_restart()
193 	    regs.user_arg2 != 12 || regs.user_arg3 != 13 ||  in test_ptrace_syscall_restart()
194 	    regs.user_arg4 != 14 || regs.user_arg5 != 15) {  in test_ptrace_syscall_restart()
195 …regs.user_syscall_nr, (unsigned long)regs.user_arg0, (unsigned long)regs.user_arg1, (unsigned long…  in test_ptrace_syscall_restart()
202 	       (unsigned long)regs.user_ip);  in test_ptrace_syscall_restart()
210 	regs.user_ax = regs.user_syscall_nr;  in test_ptrace_syscall_restart()
211 	regs.user_ip -= 2;  in test_ptrace_syscall_restart()
212 	if (ptrace(PTRACE_SETREGS, chld, 0, &regs) != 0)  in test_ptrace_syscall_restart()
219 	if (ptrace(PTRACE_GETREGS, chld, 0, &regs) != 0)  in test_ptrace_syscall_restart()
222 	if (regs.user_syscall_nr != SYS_gettid ||  in test_ptrace_syscall_restart()
223 	    regs.user_arg0 != 10 || regs.user_arg1 != 11 ||  in test_ptrace_syscall_restart()
224 	    regs.user_arg2 != 12 || regs.user_arg3 != 13 ||  in test_ptrace_syscall_restart()
225 	    regs.user_arg4 != 14 || regs.user_arg5 != 15) {  in test_ptrace_syscall_restart()
226 …regs.user_syscall_nr, (unsigned long)regs.user_arg0, (unsigned long)regs.user_arg1, (unsigned long…  in test_ptrace_syscall_restart()
233 	       (unsigned long)regs.user_ip);  in test_ptrace_syscall_restart()
235 	regs.user_ax = SYS_getpid;  in test_ptrace_syscall_restart()
236 	regs.user_arg0 = 20;  in test_ptrace_syscall_restart()
237 	regs.user_arg1 = 21;  in test_ptrace_syscall_restart()
238 	regs.user_arg2 = 22;  in test_ptrace_syscall_restart()
239 	regs.user_arg3 = 23;  in test_ptrace_syscall_restart()
240 	regs.user_arg4 = 24;  in test_ptrace_syscall_restart()
241 	regs.user_arg5 = 25;  in test_ptrace_syscall_restart()
242 	regs.user_ip -= 2;  in test_ptrace_syscall_restart()
244 	if (ptrace(PTRACE_SETREGS, chld, 0, &regs) != 0)  in test_ptrace_syscall_restart()
251 	if (ptrace(PTRACE_GETREGS, chld, 0, &regs) != 0)  in test_ptrace_syscall_restart()
254 	if (regs.user_syscall_nr != SYS_getpid ||  in test_ptrace_syscall_restart()
255 	    regs.user_arg0 != 20 || regs.user_arg1 != 21 || regs.user_arg2 != 22 ||  in test_ptrace_syscall_restart()
256 	    regs.user_arg3 != 23 || regs.user_arg4 != 24 || regs.user_arg5 != 25) {  in test_ptrace_syscall_restart()
257 …regs.user_syscall_nr, (unsigned long)regs.user_arg0, (unsigned long)regs.user_arg1, (unsigned long…  in test_ptrace_syscall_restart()
302 	struct user_regs_struct regs;  in test_restart_under_ptrace()  local
311 	if (ptrace(PTRACE_GETREGS, chld, 0, &regs) != 0)  in test_restart_under_ptrace()
314 	if (regs.user_syscall_nr != SYS_pause ||  in test_restart_under_ptrace()
315 	    regs.user_arg0 != 0 || regs.user_arg1 != 0 ||  in test_restart_under_ptrace()
316 	    regs.user_arg2 != 0 || regs.user_arg3 != 0 ||  in test_restart_under_ptrace()
317 	    regs.user_arg4 != 0 || regs.user_arg5 != 0) {  in test_restart_under_ptrace()
318 …regs.user_syscall_nr, (unsigned long)regs.user_arg0, (unsigned long)regs.user_arg1, (unsigned long…  in test_restart_under_ptrace()
333 	if (ptrace(PTRACE_GETREGS, chld, 0, &regs) != 0)  in test_restart_under_ptrace()
336 	if (regs.user_syscall_nr != SYS_pause ||  in test_restart_under_ptrace()
337 	    regs.user_arg0 != 0 || regs.user_arg1 != 0 ||  in test_restart_under_ptrace()
338 	    regs.user_arg2 != 0 || regs.user_arg3 != 0 ||  in test_restart_under_ptrace()
339 	    regs.user_arg4 != 0 || regs.user_arg5 != 0) {  in test_restart_under_ptrace()
340 …regs.user_syscall_nr, (unsigned long)regs.user_arg0, (unsigned long)regs.user_arg1, (unsigned long…  in test_restart_under_ptrace()
344 		       (long)regs.user_ax);  in test_restart_under_ptrace()
347 	/* Poke the regs back in.  This must not break anything. */  in test_restart_under_ptrace()
348 	if (ptrace(PTRACE_SETREGS, chld, 0, &regs) != 0)  in test_restart_under_ptrace()
371 	if (ptrace(PTRACE_GETREGS, chld, 0, &regs) != 0)  in test_restart_under_ptrace()
374 	if (regs.user_syscall_nr != SYS_pause ||  in test_restart_under_ptrace()
375 	    regs.user_arg0 != 0 || regs.user_arg1 != 0 ||  in test_restart_under_ptrace()
376 	    regs.user_arg2 != 0 || regs.user_arg3 != 0 ||  in test_restart_under_ptrace()
377 	    regs.user_arg4 != 0 || regs.user_arg5 != 0) {  in test_restart_under_ptrace()
378 …regs.user_syscall_nr, (unsigned long)regs.user_arg0, (unsigned long)regs.user_arg1, (unsigned long…  in test_restart_under_ptrace()
392 	printf("[RUN]\tCheck int80 return regs\n");  in main()
398 		printf("[RUN]\tCheck AT_SYSINFO return regs\n");  in main()